diff options
Diffstat (limited to 'sys/include/vm/obj.h')
-rw-r--r-- | sys/include/vm/obj.h | 61 |
1 files changed, 0 insertions, 61 deletions
diff --git a/sys/include/vm/obj.h b/sys/include/vm/obj.h deleted file mode 100644 index 6e24516..0000000 --- a/sys/include/vm/obj.h +++ /dev/null @@ -1,61 +0,0 @@ -/* - * Copyright (c) 2023-2024 Ian Marco Moffett and the Osmora Team. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the name of Hyra nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - -#ifndef _VM_OBJ_H_ -#define _VM_OBJ_H_ - -#include <sys/spinlock.h> -#include <sys/types.h> -#include <sys/vnode.h> -#include <vm/map.h> -#include <vm/pager.h> - -struct vm_object { - struct spinlock lock; /* Protects this object */ - struct vm_mapspace mapspace; /* Mapspace this object points to */ - struct vm_pagerops *pgops; /* Pager operations */ - - uint8_t is_anon : 1; /* Is an anonymous mapping */ - uint8_t demand : 1; /* Only mapped upon access */ - int ref; /* Ref count */ - struct vnode *vnode; /* Only used if `is_anon` is 0 */ -}; - -#define vm_object_ref(OBJPTR) (++(OBJPTR)->ref) -#define vm_object_unref(OBJPTR) do { \ - if ((OBJPTR)->ref > 0) { \ - --(OBJPTR)->ref; \ - } \ - } while (0); - -size_t vm_obj_count(void); -int vm_obj_init(struct vm_object **res, struct vnode *vnode); -int vm_obj_destroy(struct vm_object *obj); - -#endif /* !_VM_OBJ_H_ */ |